Whitney Houston extends rehab stint

Whitney Houston has opted to stay in rehab after successfully completing a 30-day substance abuse programme.

The 'Nothin' But Love' singer started an out-patients course at a California clinic last month and was expected to leave this week.

However, the 47-year-old has now decided to continue receiving help for her drug and alchocol issues, TMZ reports.

She is also said to have hired a "round-the-clock life coach" to help her get back to health.

Houston previously entered rehab in 2005 and 2006 for an alleged addiction to crack cocaine.

A representative yesterday denied suggestions that Houston has been ordered to quit smoking after being diagnosed with emphysema.